1. Lacking or not requiring a key
   "a keyless lock operated by a series of pushbuttons"

Antonym: keyed

Encyclopedia: Keyless

• immunosuppressive
• immunosuppressive drug
• immunosuppressor
• immunotherapeutic
• immunotherapy
• immure
• immurement
• immutability
• immutable
• immutableness
• immutably
• IMO
• Imogene Coca
• imou pine
• imp
• impact
• impact printer
• impacted
• impacted fracture
• impacted tooth
• impactful
• impaction
• impair
• impaired
• impairer